Foster also worked as recurring background actor on the television series The Unit, The Shield, Mike & Molly, Rizzoli & Isles, Dexter (2006-2013, with Pablo Soriano and Dominic Rambaran), and Castle (2012-2014, with Penny Johnson Jerald). Other projects include the short action film Caught in the Middle (2009, with Henry T. Yamada) on which he also worked as executive producer, the short horror comedy Bad Jew (2014), and the horror film Hack House (2016, with Rob Steiner).